5th Lord of Annandale. His first marriage (Browning, Charles. Americans of royal descent, 7th ed. Baltimore : Ganealogical Pub. Co., 1969, pg. 99).
Nominated heir presumptive to the Crown 1238. Competitor for the Crown 1292 (Williamson, David. Debrett's kings and queens of Scotland. Topsfield, Mass. : Salem House Publishers, 1986, pg. 229). Scott, Ronald McNair, Robert the Bruce : King of Scots. NY : P. Bedrick, 1989, c1982, pg. xv. has death date as 1295.
Recognised heir presumptive 1238-1241. A justiciary in England in 1250. Succeeded to his mother's English estates in 1251. One of the regents of Scotland, 1255. Frequently a justiciary in England from 1257. Sheriff of Cumberland and warden of Carlisle Castle. Fought for Henry III in the baron's wars. Chief justice of England's bench 1268. Returned to Scotland in 1272. Recognised the right of Princess Margaret to the crown in 1284. Entered a league to assert his own claim in 1286. Assented to the marriage of Princess Margaret with Edward, Prince of Wales, and the union of Scoland and England in 1290. Accepted the arbitration of Edward I on his claim to the crown in 1291. Prepared to resist an unfavorable decision in June 1292. Prevented by his great age from further action when Edward I decided in favor of John de Baloil in November 1292 (The consice dictionary of national biography. Part 1 : from the beginnings to 1900. London : Oxford University Press, 1969, pg. 159).